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RESULTS

Media Type
1
texts
Availability
1
Always Available
Year
1
1918
Topics & Subjects
1
Ciphers -- Handbooks, manuals, etc. Cryptography -- United States. World War, 1914-1918 -- Cryptography.
12
Cipher and telegraph codes.
4
Cipher and telegraph codes -- Railroads.
2
Cipher and telegraph codes -- Cotton trade.
1
Telegraph -- Codes.
Collection
Creator
1
united states.; army.; american expeditionary forces
Language
1
English
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